1802340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 6289920

約数和(自身を除く): 4487580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 31, 34, 36, 38, 45, 51, 57, 60, 62, 68, 76, 85, 90, 93, 95, 102, 114, 124, 153, 155, 170, 171, 180, 186, 190, 204, 228, 255, 279, 285, 306, 310, 323, 340, 342, 372, 380, 465, 510, 527, 558, 570, 589, 612, 620, 646, 684, 765, 855, 930, 969, 1020, 1054, 1116, 1140, 1178, 1292, 1395, 1530, 1581, 1615, 1710, 1767, 1860, 1938, 2108, 2356, 2635, 2790, 2907, 2945, 3060, 3162, 3230, 3420, 3534, 3876, 4743, 4845, 5270, 5301, 5580, 5814, 5890, 6324, 6460, 7068, 7905, 8835, 9486, 9690, 10013, 10540, 10602, 11628, 11780, 14535, 15810, 17670, 18972, 19380, 20026, 21204, 23715, 26505, 29070, 30039, 31620, 35340, 40052, 47430, 50065, 53010, 58140, 60078, 90117, 94860, 100130, 106020, 120156, 150195, 180234, 200260, 300390, 360468, 450585, 600780, 901170, 1802340]

約数ペア:

[(1, 1802340), (2, 901170), (3, 600780), (4, 450585), (5, 360468), (6, 300390), (9, 200260), (10, 180234), (12, 150195), (15, 120156), (17, 106020), (18, 100130), (19, 94860), (20, 90117), (30, 60078), (31, 58140), (34, 53010), (36, 50065), (38, 47430), (45, 40052), (51, 35340), (57, 31620), (60, 30039), (62, 29070), (68, 26505), (76, 23715), (85, 21204), (90, 20026), (93, 19380), (95, 18972), (102, 17670), (114, 15810), (124, 14535), (153, 11780), (155, 11628), (170, 10602), (171, 10540), (180, 10013), (186, 9690), (190, 9486), (204, 8835), (228, 7905), (255, 7068), (279, 6460), (285, 6324), (306, 5890), (310, 5814), (323, 5580), (340, 5301), (342, 5270), (372, 4845), (380, 4743), (465, 3876), (510, 3534), (527, 3420), (558, 3230), (570, 3162), (589, 3060), (612, 2945), (620, 2907), (646, 2790), (684, 2635), (765, 2356), (855, 2108), (930, 1938), (969, 1860), (1020, 1767), (1054, 1710), (1116, 1615), (1140, 1581), (1178, 1530), (1292, 1395)]